Senior AI/ML Engineer - Remote Agent Tools & Retrieval

Sii Poland; Lublin; Remote; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Great Place to Work

Solid financial situation

Contracts with the biggest brands

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Profit sharing

Passion Sponsorship program

Regular integration events and trips

Comfortable and well-equipped offices

MySii app

Medical care

Job summary

Sii Poland is seeking an experienced AI/ML Engineer to join the team in a remote role focused on agent engineering. You will build tools for AI agents, define their schemas, and ensure integration with the Semantic Retriever.

You will deploy structured interfaces for multi-agent workflows, implement complex prompts, and generate structured LLM outputs while writing thorough unit tests. Strong Python/Pydantic skills and English proficiency are required.

Qualifications

• Minimum 5 years of software engineering or AI/ML experience.
•  
• Proficient in Python and Pydantic schema development.
•  
• Expertise in API orchestration and tool architecture.
•  
• Experience with LangGraph and semantic retrieval integration.
•  
• Ability to implement complex prompts and generate structured LLM outputs.
•  
• Advanced English proficiency; Poland residency required.

Responsibilities

• Building and developing tools for AI agents and defining their schemas.
•  
• Ensuring seamless integration with the Semantic Retriever.
•  
• Deploying and configuring structured interfaces for multi-agent workflows.
•  
• Implementing complex prompts and generating structured LLM outputs.
•  
• Writing comprehensive unit tests for all developed solutions.

Skills

Python

5+ years experience

English proficiency

Prompt engineering

Semantic retrieval integration

Tools

Pydantic

LangGraph

API orchestration

Job description

Sii Poland is seeking an experienced AI/ML Engineer to join the team in a remote role focused on agent engineering. You will build tools for AI agents, define their schemas, and ensure integration with the Semantic Retriever.

You will deploy structured interfaces for multi-agent workflows, implement complex prompts, and generate structured LLM outputs while writing thorough unit tests. Strong Python/Pydantic skills and English proficiency are required.